What is William Sonnenberg's specialty?

William Sonnenberg (NPI 1932173366) is a Medicare-billing provider whose primary specialty is Family Practice in Titusville, PA.

Where does William Sonnenberg practice?

William Sonnenberg practices in Titusville, PA, based on the location reported in the CMS Medicare provider datasets for NPI 1932173366.

How much does Medicare pay William Sonnenberg?

William Sonnenberg (NPI 1932173366) received approximately $84K in total Medicare Part B payments, serving 247 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1932173366

William SonnenbergMD

Family PracticeTitusville, PAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

596

Unique beneficiaries

—

Total services

1,490

Distinct HCPCS

Medicare payment

$80K

Peer benchmark

Total Medicare services vs. 4,194 Family Practice providers in PA — top quintile (cohort median 645).

PRESCRIBING · PART D · 2024

Total Rx claims

20,667

Beneficiaries

—

Total drug cost

$1.1M

Distinct drugs

204

Brand share

20.7%

Top prescribed drugs

Atorvastatin Calcium884 claims

Levothyroxine Sodium787 claims

Gabapentin633 claims

Furosemide631 claims

Apixaban570 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$738

Payment records

By payment type

Food and Beverage$738

Top paying entities

Food and Beverage$738

REFERRAL NETWORK

Where William Sonnenberg's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 21 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Richard Blackford Psychologist, Clinical · Erie, PA	98	366
Associated Clinical Laboratories Clinical Laboratory · Erie, PA	83	706
Emergycare, Inc Ambulance Service Provider · Erie, PA	38	140
COOPERSTEIN, LAWRENCE	36	95
UPMC HAMOT	35	137
Joseph Mercurio Family Practice · Saegertown, PA	24	137
Nicole Cowley Internal Medicine · Grants Pass, OR	19	170
Paul Montenegro Nurse Practitioner · Barrington, NJ	17	94
Timothy Brooks Podiatry · Titusville, PA	16	48
Craig Godfrey Internal Medicine · Meadville, PA	15	63
Frank Mclaughlin Family Practice · Erie, PA	14	59
Jeffrey Corsetti Emergency Medicine · Seneca, PA	14	36

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history

Healthparse Signals

Monitor this provider for changes — dated NPI change events